健康讲座英语

Soy food good for womenWomen who ate soy regularly as children have a lower risk of breast cancer, American researchers report. And men who eat fish several times a week have a lower risk of colon cancer, a second team of researchers have told the American Association for Cancer Research.The studies add to a growing body of evidence about the role of diet in cancer. Cancer experts now believe that up to two-thirds of all cancers come from lifestyle factors such as smoking, diet and lack of exercise.The US National Cancer Institute and researchers at the University of Hawaii found that women who ate the most soy-based foods, such as tofu and miso, when aged 5 to 11, reduced their risk of developing breast cancer by 58 per cent. It was not clear how soy might prevent cancer, though compounds in soy called isoflavones have estrogen-like effects.A second study showed that men who ate fish at least five times a week had a 40 per cent lower risk of developing colorectal cancer compared with men who ate fish less than once a week.Many kinds of fish are rich in omega-3 fatty acids, which interfere with the cyclooxygenase-2 or COX-2 enzyme. COX-2 affects inflammation, which may play a role in tumour growth.是谁把我womenwomen food good for children have a lower定期做乳腺癌的风险。美国研究人员报告。男人吃鱼和几次一个星期结肠癌的风险较低，a second team of researchers have told the American癌症研究协会的研究。add to the body of a growing evidence about the role of Diet in癌症。癌症专家现在相信two-thirds of all up to癌症吃Lifestyle factors such as from lack of吸烟，饮食和运动。《美国国家癌症研究所的研究人员at the University of Hawaii andfound that the most Women Who基食品吃我豆腐、味噌and such as，when5～11岁，reduced by their risk of Developing乳腺癌58 per cent。它我怎么可能was not clear是预防癌症，但所谓的化合物大豆异黄酮的雌激素样有影响。研究发现，第二个男人吃鱼至少五次一周40 per cent of Developing结肠癌风险较低的男人把compared withless than十一周鱼。鱼是many kinds of丰富的ω- 3脂肪酸，which interfere with the环氧化酶2或COX-2的酶。影响COX-2的炎症，which may play a的作用，在肿瘤的生长。